Date: Mon, 21 Apr 2025 10:39:00 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 286263] ovpn(4) DCO module requires legacy IP support Message-ID: <bug-286263-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286263 Bug ID: 286263 Summary: ovpn(4) DCO module requires legacy IP support Product: Base System Version: 14.3-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: misc Assignee: bugs@FreeBSD.org Reporter: zarychtam@plan-b.pwste.edu.pl Created attachment 259767 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=259767&action=edit connection log Afer runnung few tests on recent stable/14 (now it's 14.3-PRERELASE) I found that ovpn(4) cannot work when world and kernel have no support for legacy IP (WITHOUT_INET, nooptions INET). The ovpn(4) is loaded, but the output from ifconfig tun0 for world and kernel built without INET support reveals that tun(4) is used instead of ovpn(4): tun0: flags=1008043<UP,BROADCAST,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 1400 options=4080000<LINKSTATE,MEXTPG> inet6 2001:yyy:xxx:c2:2::1 prefixlen 64 inet6 fe80::1265:30ff:fe7a:9509%tun0 prefixlen 64 scopeid 0x4 groups: tun nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> Opened by PID 2262 Client config file is 100% compatible with DCO and while running the same OpenVPN client config on system with dual-stack support enabled everything is fine and tun0 belongs to group:ovpn. For the test OpenVPN 2.6.14 version was used at both ends, installed from the same openvpn-2.6.14 package built in own poudriere. -- You are receiving this mail because: You are the assignee for the bug.home | help
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